The book ‘The Errand Boy’ is written by Horatio Alger. ‘The Errand Boy’ is a novel. The story is about Phil Brent, a young protagonist who faces challenges in 19th-century New York. Phil Brent, an errand boy, guides the bustling streets of New York City. Along the way, he encounters mysterious revelations, overbearing conductors, fortune-tellers, and sudden friendships.